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Prog Neuropsychopharmacol Biol Psychiatry. 2009 Apr 30;33(3):547-51. doi: 10.1016/j.pnpbp.2009.02.008. Epub 2009 Feb 20.

Association analysis of serotonin receptor 7 gene (HTR7) and risperidone response in Chinese schizophrenia patients.

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  • 1Bio-X Center, Shanghai Jiao Tong University, Shanghai 200030, PR China.

Abstract

Several lines of evidence suggest that the human 5-HT(7) receptor may be involved in the pharmacodynamics of risperidone and may influence clinical response of the drug. A pharmocogenetics study of this receptor may therefore be useful in developing individualized therapy. But few studies about it have been done. In this study, we genotyped ten single nucleotide polymorphisms (SNPs) distributed throughout the HTR7 gene and analyzed six of them for association with the reduction of Brief Psychiatric Rating Scale (BPRS) scores in drug-naive Chinese schizophrenia patients, following an eight-week period of risperidone monotherapy. The confounding effects of nongenetic factors were estimated and the baseline symptom score as well as the duration of illness were included as covariates for adjustment. No significant correlation of HTR7 with antipsychotic efficacy was detected in either genotype or haplotype analysis. These results demonstrate that variations in the HTR7 gene may not be good genetic markers for predicting the therapeutic efficacy of risperidone.

PMID:
19233240
[PubMed - indexed for MEDLINE]
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